1964 04 - daily  - mean of daily NCEP sigma-0.995 temperature with 25-km topography correction (K); RIMS mask V1; C. Oelke, NSIDC, May 2003
BasinID	Name	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
0	Pan Arctic	258.1	257.8	257.4	258.3	259.7	261.0	260.9	260.4	259.9	259.6	260.2	260.9	260.8	261.2	261.0	261.0	261.4	262.3	263.3	264.3	264.9	265.2	266.1	266.9	267.8	268.4	268.5	268.5	268.5	268.9	-9999.0
34	Hudson Bay	261.6	263.2	263.5	266.4	268.5	267.5	264.0	264.8	265.8	265.0	266.6	268.1	267.3	269.2	268.5	266.9	265.8	264.6	268.1	271.2	270.6	269.6	270.7	272.4	275.0	277.3	277.9	277.9	278.0	278.9	-9999.0
36	Hudson Strait	255.9	251.6	251.0	255.4	257.0	262.4	260.4	255.1	257.8	257.1	254.9	254.1	254.7	262.5	271.8	263.2	258.2	266.2	253.1	256.2	265.3	266.7	270.3	269.3	269.3	269.8	269.0	270.1	272.2	272.4	-9999.0
98	Bering Strait	258.7	258.4	257.6	254.9	260.7	265.2	265.7	266.7	266.9	264.7	261.7	262.4	261.0	259.2	259.2	263.7	266.4	266.4	264.5	264.5	264.9	265.0	266.2	265.8	263.6	263.1	262.2	263.3	265.1	265.6	-9999.0
128	Arctic subocean	245.1	241.8	242.8	247.7	245.6	239.9	238.6	237.7	239.2	241.8	240.7	245.4	245.6	246.1	245.5	244.2	244.9	247.3	251.5	256.6	250.9	248.4	250.6	252.7	253.2	254.1	252.8	251.1	251.0	256.4	-9999.0
130	Chukchi Sea	250.2	246.2	246.4	252.7	259.5	262.0	261.8	262.0	260.8	256.5	253.5	253.7	250.6	253.0	258.9	264.9	267.9	264.8	260.5	259.6	256.9	257.3	256.5	257.4	256.4	256.4	255.8	257.3	260.9	262.5	-9999.0
132	Beaufort Sea	264.1	264.5	264.1	265.4	259.2	260.5	264.8	263.7	262.4	262.5	260.8	260.6	261.8	260.3	257.7	257.6	260.4	266.4	268.4	266.3	267.3	267.2	268.0	268.3	269.2	267.9	266.6	267.0	267.9	270.6	-9999.0
134	Arctic Archipelago	246.1	250.9	255.8	255.3	251.2	246.7	245.9	244.1	242.2	240.2	243.0	245.1	247.1	248.5	246.3	246.7	247.3	248.4	249.6	248.7	251.1	254.5	257.0	260.8	264.0	264.6	263.6	262.6	262.9	263.4	-9999.0
136	Foxe Basin	243.2	245.9	249.5	253.7	256.3	252.0	246.1	245.3	244.9	245.7	247.4	245.5	246.3	247.7	250.6	251.2	248.7	252.9	249.2	252.1	256.2	260.6	262.9	259.8	262.0	263.4	265.1	267.8	268.9	268.1	-9999.0
138	Baffin Bay	249.3	249.2	249.1	251.2	252.0	248.6	243.7	242.3	242.0	243.5	249.1	252.6	251.4	249.4	245.9	244.3	248.0	248.9	255.6	257.3	253.5	250.3	254.9	254.2	252.4	252.5	254.0	255.4	255.7	258.6	-9999.0
139	South Greenland	260.5	261.7	258.3	257.9	258.9	259.6	256.1	252.7	251.9	253.3	255.9	255.8	255.3	254.2	254.2	255.3	257.9	258.2	260.9	263.8	266.1	265.9	265.6	264.9	263.7	262.8	262.0	261.8	261.9	261.9	-9999.0
140	Greenland Sea	252.1	253.0	250.8	248.9	248.5	249.9	249.7	248.6	246.1	246.2	248.7	251.8	251.0	252.1	250.9	247.6	246.9	251.0	253.6	260.9	261.5	255.2	253.5	255.8	251.8	251.5	249.8	250.1	250.2	252.3	-9999.0
142	Norwegian Sea	272.3	272.3	272.3	272.1	272.2	271.8	272.6	272.3	272.2	272.7	273.2	273.4	273.4	273.8	274.6	275.2	276.3	277.9	278.6	278.0	275.8	274.1	274.5	270.5	271.5	274.0	276.0	277.4	277.6	276.4	-9999.0
144	Barents Sea	264.8	266.5	268.3	268.1	267.7	267.6	267.4	266.1	261.7	260.1	262.6	265.8	268.5	270.2	270.2	270.6	270.3	270.4	270.0	268.8	267.6	269.5	270.7	271.0	270.8	269.5	267.4	266.5	269.3	271.8	-9999.0
146	Kara Sea	256.3	254.2	253.9	256.2	260.7	264.8	265.4	263.2	262.2	262.5	261.8	261.0	261.3	262.8	263.1	263.9	263.9	265.2	266.7	267.6	268.0	268.6	269.2	271.0	273.1	273.8	273.6	272.0	270.8	269.3	-9999.0
148	Laptev Sea	259.6	258.8	256.3	254.6	254.6	255.6	257.3	259.5	260.0	259.2	260.2	262.0	260.5	258.7	259.0	260.3	261.4	260.1	259.9	261.1	262.4	262.9	262.8	262.0	263.7	266.2	268.3	269.1	269.5	270.4	-9999.0
150	East Siberian Sea	255.9	254.2	253.1	252.4	253.2	254.2	255.9	257.5	258.8	260.4	262.8	264.2	264.0	265.8	263.4	257.1	253.2	252.8	254.0	253.4	255.0	258.0	259.8	261.3	260.2	260.3	262.5	265.3	262.6	259.7	-9999.0
152	Gulf of Alaska	268.9	268.6	268.4	264.7	268.4	271.1	271.6	272.4	272.2	272.2	270.8	270.5	269.2	266.9	265.6	268.4	271.1	271.8	269.8	269.7	269.9	271.2	271.6	271.5	269.4	268.7	268.3	268.7	267.8	269.5	-9999.0
154	Southeast Bering Sea	262.2	258.5	256.9	264.1	271.2	271.1	271.8	273.6	274.0	272.4	270.1	269.1	265.6	260.1	264.6	271.5	273.5	271.8	271.1	272.6	270.6	273.6	272.8	270.7	266.1	264.8	262.2	263.2	267.8	269.8	-9999.0